Six cosmic catastrophes that could wipe out life on Earth

Daniel Brown – February 3, 2017

If you ask yourself what the biggest threat to human existence is you’d probably think of nuclear war, global warming or a large-scale pandemic disease. But assuming we can overcome such challenges, are we really safe? Living on our blue little planet seems safe until you are aware of what lurks in space. The following cosmic disasters are just a few ways humanity could be severely endangered or even wiped out. Happy reading!

1. High energy solar flare

2. Asteroid impact

3. Expanding sun

4. Local gamma ray burst

5. Nearby supernovas

6. Moving stars

http://www.terradaily.com